????????????? ???????????????????????????? ???????? DTPA ???????????? ????? CAS 67-43-6 ??????? HAMPEX,???????????? ?????
link:http://www.moschemicalru.com/chelating-agent/dtpa-cas-67-43-6-hampex.html
????????????? ???????????????????????????? ???????? DTPA ???????????? ????? CAS 67-43-6 ??????? HAMP